Struct Merger

pub struct Merger { /* private fields */ }

Merger struct that can accept merging of additional patches.

Implementations

impl Merger

pub fn new<R: Read + Seek>( terminal_patch: R, ) -> Result<Result<Merger, SummaryPatch>>

Creates a new Merger from a terminal patch. This should only be called using the patch that generates the output file you want.

Arguments

• terminal_patch - The terminal patch that will serve as the core set of instructions.

Returns

If the terminal summary patch has no Copy instructions, a SummaryPatch is returned. If the terminal summary patch has even a single Copy instructions, a Merger is returned.

pub fn merge<R: Read + Seek>( self, predecessor_patch: R, ) -> Result<Result<Merger, SummaryPatch>>

Merges a predecessor patch into the terminal patch. This should be called using proper order of patches.

Arguments

• predecessor_patch - The patch to merge into the current summary patch.

Returns

If the resulting summary patch has no Copy instructions, a SummaryPatch is returned. If the resulting summary patch has even a single Copy instructions, a Merger is returned.

pub fn finish(self) -> SummaryPatch

Finishes the merger and returns the final summary patch ready to be written or applied.

Trait Implementations

impl Clone for Merger

fn clone(&self) -> Merger

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Merger

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.